ResQ.Blockchain.INeoClient.GetBlockHeightAsync(System.Threading.CancellationToken)

System.Threading.Tasks.Task<ulong> GetBlockHeightAsync(System.Threading.CancellationToken cancellationToken=default(System.Threading.CancellationToken));

var height = await neoClient.GetBlockHeightAsync();
Console.WriteLine($"Current block: {height}");

// Check if a transaction is confirmed (6+ blocks past its inclusion).
// Use addition rather than subtraction: both operands are ulong, so
// `height - txBlockHeight` underflows to ~ulong.MaxValue when height
// briefly trails (stale RPC, reorgs) and falsely reports finalized.
ulong txBlockHeight = 12345; // captured from a prior RecordEventAsync
if (height >= txBlockHeight + 6)
{
    Console.WriteLine("Transaction is finalized");
}